{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900011437},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900011436","490:4900011895","490:4900011438","490:4900011234","490:4900011833","490:4900010755","490:4900011159","490:4900010998","490:4900011162","490:4900011165","490:4900011703","490:4900011630","490:4900011374","490:4900011565","490:4900011442","490:4900011305","490:4900011004","490:4900011699","490:4900011634","490:4900010760","490:4900011776","490:4900011232","490:4900011160","490:4900010674","490:4900010843"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490],"twin_sims":[0.4864570370550738,0.309246621804176,0.2996629582279367,0.29322366992468113,0.2596269769735099,0.25799226122475877,0.23664800114742646,0.23511211486168862,0.2306973585232857,0.22858759370450965,0.22499526291184863,0.22172709163494064,0.21825614480993777,0.21703335732885423,0.20736190567846527,0.20674513150374743,0.19511371655615306,0.19492635482766638,0.19112952789856835,0.18954629658406238,0.18251754918506616,0.18141263333240537,0.18066677281871038,0.1803452923785548,0.17352470007179263],"twin_dists":[0.1559150323946106,0.19897654713816304,0.20162753009805046,0.20343664910391954,0.21328770938635647,0.2137866369298378,0.22049471205525245,0.22099225339700757,0.22243435996482191,0.22312994811237422,0.22432417800055077,0.22542170536740597,0.22659922992654571,0.22701705353963691,0.2303791599389681,0.23059715314805093,0.23479444799719296,0.2348634557267332,0.23627192246686357,0.23686500129381555,0.23954073468495526,0.23996792725497643,0.24025733962046752,0.2403823427863167,0.24307253850157257],"n_dims_used":45,"mean_confidence":0.8911841498480902},"coverage":{"mean_confidence":0.8911841498480902,"n_dims_used":45,"similarity_metric":{"field":"twin_sims","kind":"cosine_in_zscored_morphology_space","range":"[-1, 1]; higher = more similar","interpretation":"cosine similarity in the z-scored feature space (n_dims_used dims). High-dimensional cosine concentrates near 0, so absolute values are typically SMALL and are meaningful only RELATIVELY (rank order / vs the cohort) — NOT a 0–1 probability. mean_confidence is the SEPARATE GUM uncertainty weight of the anchor's witnessed features, not a function of the similarities."}},"error":null}}